CN110280138A - A kind of disc tube reverse osmosis (dt-ro) film packet element - Google Patents
A kind of disc tube reverse osmosis (dt-ro) film packet element Download PDFInfo
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- CN110280138A CN110280138A CN201910670517.4A CN201910670517A CN110280138A CN 110280138 A CN110280138 A CN 110280138A CN 201910670517 A CN201910670517 A CN 201910670517A CN 110280138 A CN110280138 A CN 110280138A
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- Prior art keywords
- diaphragm
- supporting block
- film packet
- film
- reverse osmosis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention proposes a kind of disc tube reverse osmosis (dt-ro) film packet elements, comprising: lower diaphragm, upper diaphragm and the supporting block between lower diaphragm and upper diaphragm；Lower diaphragm and upper diaphragm are diaphragm made of polyamide composite film；Supporting block is supporting block made of porous sintered material, is densely covered with deflector hole in supporting block；Supporting block is wrapped among lower diaphragm and upper diaphragm, and the edge of lower diaphragm and the edge seal of upper diaphragm link together.Beneficial effects of the present invention are as follows: by the way that film packet supporting layer is changed to the strong porous sintered material of resistance to compression by traditional Web materials, so that high pressure lower film is contracted for fixed output quotas, aquaporin is still unblocked, increases the water yield of same operating pressure lower film packet element；Reduce due to producing water resistance, reduces the operating pressure of single film packet under same water yield, it is energy saving.
Description
Technical field
The present invention relates to dish tubular membrane system equipment component technology fields, particularly relate to a kind of disc tube reverse osmosis (dt-ro) film Bao Yuan
Part.
Background technique
The core of dish tubular type membranous system is by dish tubular membrane packet element, flow guiding disc, O-shaped washer, center pull rod and resistance to pressing sleeve
The film column of pipe composition, is generally divided into disc tube reverse osmosis (dt-ro) film and two kinds of dish tubular nanofiltration membrane.
It is highly concentrated that disc tube reverse osmosis (dt-ro) or dish tubular nanofiltration membrane are that one kind is used in landfill leachate, high-salt wastewater concentrate etc.
Degree feed liquid is separated by filtration the element in field, as shown in Figure 1, at present in disc tube reverse osmosis (dt-ro) or dish tubular nanofiltration membrane element and similar
In product, film packet element is usually made of upper and lower diaphragm and intermediate supporting layer, and is all by ultrasonic bonding or envelope
Glue is sealed to form, and wherein supporting layer is mostly that the supporting network 3 made of polyester resin netted filter cloth is constituted, and supporting network 3 is used as film
The internal layer of packet element supports, and main purpose is the production water flow passage to be formed in disc-type diaphragm among upper layer and lower layer diaphragm, to protect
Demonstrate,prove diaphragm by high pressure (4~16MPa) compress when, still maintain produce water flow passage it is unimpeded, allow produce water flow out diaphragm.Each film column
Generally there are 169~249 film packet elements.
The shortcomings that prior art is as follows: when by high pressure compressed, the diaphragm up and down in film packet is easy to be pressed into intermediate supports
In the supporting network of layer (as shown in Figure 2), the production water flow passage in supporting network is caused to be blocked, produces water flow passage area and be greatly reduced, make
Resistance when producing water outflow diaphragm increases, and water yield is caused to reduce；Meanwhile the O-shaped washer of water conservancy diversion disk center is in 100~150NM
Extruding under greatly reduced O-shaped washer.It is such the result is that squeezed the production water flow passage of film packet, make film packet or even entire dish pipe
The water yield of formula membranous system element reduces.Therefore, there is an urgent need to improve the resistance to compression of film packet supporting layer, it just can solve above-mentioned ask
Topic.
Summary of the invention
The present invention proposes a kind of disc tube reverse osmosis (dt-ro) film packet element, solve in the prior art film packet element by high pressure pressure
The problem of water resistance increases is produced when contracting.
The technical scheme of the present invention is realized as follows:
A kind of disc tube reverse osmosis (dt-ro) film packet element, comprising: lower diaphragm, upper diaphragm and be located at the lower diaphragm and it is described on
Supporting block between diaphragm；The lower diaphragm and the upper diaphragm are diaphragm made of polyamide composite film；The supporting block
For supporting block made of porous sintered material, deflector hole is densely covered in the supporting block；The supporting block is wrapped in positioned at described
Among lower diaphragm and the upper diaphragm, and the edge seal at the edge and the upper diaphragm of the lower diaphragm links together.
Preferably, the shape of the upper diaphragm, the lower diaphragm is round or octagon.
Preferably, the edge of the edge of the lower diaphragm and the upper diaphragm is tightly connected by viscose glue or by super
Sound wave welding is tightly connected.
Preferably, the porous sintered material is that agglomerated material is made in PE material, PP material or PVC material.
Realization principle of the invention is as follows:
When actual processing, supporting block made of porous sintered material is clipped among lower diaphragm and upper diaphragm, and will be upper and lower
The periphery of diaphragm carries out adhesive sealing or welded seal, the water conservancy diversion of the enough close central holes from supporting block of water energy so that film is contracted for fixed output quotas
It is flowed out in hole.
The invention has the benefit that
By the way that film packet supporting layer is changed to the strong porous sintered material of resistance to compression by traditional Web materials, so that high
Pressure film aquaporin of contracting for fixed output quotas is still unblocked, increases the water yield of same operating pressure lower film packet element；Due to producing water resistance
Power reduces, and reduces the operating pressure of single film packet under same water yield, energy saving；Simultaneously as same water yield pushes
Power reduces, so that the contact strength of water pollutant and membrane surface reduces, thereby reduces inorganic and organic contamination.
The present invention can make film packet guarantee to produce the smoothness of water flow passage under high pressure compressed, using porous sintered material conduct
The film packet of supporting layer can keep stronger production water flow passage stability under high pressure.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram (not including upper diaphragm) of disc tube reverse osmosis (dt-ro) film packet element in the prior art；
Fig. 2 is disc tube reverse osmosis (dt-ro) film packet element in the prior art by compressed schematic cross-section；
Fig. 3 is the structural schematic diagram of disc tube reverse osmosis (dt-ro) film packet element of the present invention；
In figure:
1, lower diaphragm, 2, upper diaphragm, 3, supporting network, 4, supporting block, 5, deflector hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment as shown in Figure 3 is it is found that a kind of disc tube reverse osmosis (dt-ro) film packet element of the present invention, comprising: lower film
Piece 1, upper diaphragm 2 and the supporting block 4 between lower diaphragm 1 and upper diaphragm 2；Lower diaphragm 1 and upper diaphragm 2 are that polyamide is multiple
Close diaphragm made of film；Supporting block 4 is supporting block made of porous sintered material, is densely covered with deflector hole 5 in supporting block 4；Support
Block 4 is wrapped among lower diaphragm 1 and upper diaphragm 2, and the edge of the edge of lower diaphragm 1 and upper diaphragm 2 passes through viscose glue and seals
Connection is sealed connected together by ultrasonic bonding.
Above-mentioned porous sintered material is that agglomerated material is made in PE material, PP material or PVC material.
Above-mentioned upper diaphragm 1, lower diaphragm 2 shape be octagon, be also possible to circle.
The realization principle of above-mentioned disc tube reverse osmosis (dt-ro) film packet element is as follows:
When actual processing, supporting block 4 made of porous sintered material is clipped among lower diaphragm 1 and upper diaphragm 2, and will be upper
The periphery of lower diaphragm carries out adhesive sealing or welded seal, the enough close central holes from supporting block 4 of water energy so that film is contracted for fixed output quotas
It is flowed out in deflector hole 5.
In conclusion the present invention is by being changed to strong porous of resistance to compression by traditional Web materials for film packet supporting layer
Agglomerated material, so that high pressure lower film is contracted for fixed output quotas, aquaporin is still unblocked, increases the production of same operating pressure lower film packet element
Water；Reduce due to producing water resistance, reduces the operating pressure of single film packet under same water yield, it is energy saving；Simultaneously as
Pressure reduction under same water yield so that the contact strength of water pollutant and membrane surface reduces, thereby reduce it is inorganic and
Organic contamination.
The present invention can make film packet guarantee to produce the smoothness of water flow passage under high pressure compressed, using porous sintered material conduct
The film packet of supporting layer can keep stronger production water flow passage stability under high pressure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of disc tube reverse osmosis (dt-ro) film packet element characterized by comprising lower diaphragm (1), upper diaphragm (2) and be located at institute
State the supporting block (4) between lower diaphragm (1) and the upper diaphragm (2)；The lower diaphragm (1) and the upper diaphragm (2) are poly-
Diaphragm made of amide composite membrane；The supporting block (4) is supporting block made of porous sintered material, in the supporting block (4)
It is densely covered with deflector hole (5)；The supporting block (4) is wrapped among the lower diaphragm (1) and the upper diaphragm (2), and institute
The edge seal for stating the edge and the upper diaphragm (2) of lower diaphragm (1) links together.
2. a kind of disc tube reverse osmosis (dt-ro) film packet element according to claim 1, which is characterized in that the upper diaphragm (1), institute
The shape for stating lower diaphragm (2) is round or octagon.
3. a kind of disc tube reverse osmosis (dt-ro) film packet element according to claim 1, which is characterized in that the lower diaphragm (1)
The edge of edge and the upper diaphragm (2) is tightly connected by viscose glue or is tightly connected by ultrasonic bonding.
4. a kind of disc tube reverse osmosis (dt-ro) film packet element according to claim 1, which is characterized in that the porous sintered material
Agglomerated material is made for PE material, PP material or PVC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670517.4A CN110280138A (en) | 2019-07-23 | 2019-07-23 | A kind of disc tube reverse osmosis (dt-ro) film packet element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670517.4A CN110280138A (en) | 2019-07-23 | 2019-07-23 | A kind of disc tube reverse osmosis (dt-ro) film packet element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110280138A true CN110280138A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910670517.4A Pending CN110280138A (en) | 2019-07-23 | 2019-07-23 | A kind of disc tube reverse osmosis (dt-ro) film packet element |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5425877A (en) * | 1992-10-09 | 1995-06-20 | Knappe; Holger | Membrane element for reverse osmosis |
| US20080121593A1 (en) * | 2004-12-01 | 2008-05-29 | Va Tech Wabag Gmbh | Filter System for Water and Waste Water |
| CN101444703A (en) * | 2008-12-05 | 2009-06-03 | 浙江工业大学 | Composite film for film bioreactor and method for preparing same |
| US20160251239A1 (en) * | 2014-01-09 | 2016-09-01 | Tsinghua University | Method and apparatus for processing radioactive wastewater |
| CN205760662U (en) * | 2016-07-01 | 2016-12-07 | 天津汇仁源环保科技有限公司 | Dish tubular type octagonal membrance separation diaphragm |
| CN206652390U (en) * | 2017-04-24 | 2017-11-21 | 杭州碟滤膜技术有限公司 | A kind of disc tube reverse osmosis (dt-ro) film changes bag |
| CN210584510U (en) * | 2019-07-23 | 2020-05-22 | 费特膜(北京)科技有限公司 | Dish tubular reverse osmosis membrane package component |
-
2019
- 2019-07-23 CN CN201910670517.4A patent/CN110280138A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5425877A (en) * | 1992-10-09 | 1995-06-20 | Knappe; Holger | Membrane element for reverse osmosis |
| US20080121593A1 (en) * | 2004-12-01 | 2008-05-29 | Va Tech Wabag Gmbh | Filter System for Water and Waste Water |
| CN101444703A (en) * | 2008-12-05 | 2009-06-03 | 浙江工业大学 | Composite film for film bioreactor and method for preparing same |
| US20160251239A1 (en) * | 2014-01-09 | 2016-09-01 | Tsinghua University | Method and apparatus for processing radioactive wastewater |
| CN205760662U (en) * | 2016-07-01 | 2016-12-07 | 天津汇仁源环保科技有限公司 | Dish tubular type octagonal membrance separation diaphragm |
| CN206652390U (en) * | 2017-04-24 | 2017-11-21 | 杭州碟滤膜技术有限公司 | A kind of disc tube reverse osmosis (dt-ro) film changes bag |
| CN210584510U (en) * | 2019-07-23 | 2020-05-22 | 费特膜(北京)科技有限公司 | Dish tubular reverse osmosis membrane package component |
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Application publication date: 20190927 |